Cup holder



FIG. 1 is a top plan view of a cup holder embodying my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof showing the position of cups; and,

FIG. 5 is a perspective view thereof.

The broken lines showing the cups are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cup holder, as shown and described. 